Scatterplots

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an observation in the dataset.

Front

What does a positive correlation indicate in a scatterplot?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation indicate in a scatterplot?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What does no correlation mean in a scatterplot?

Back

No correlation means there is no apparent relationship between the two variables; changes in one do not predict changes in the other.

Front

What is the difference between strong and weak correlation?

Back

Strong correlation means the points in the scatterplot are closely clustered around a line, while weak correlation means the points are more spread out.

Front

How can you identify a strong positive correlation in a scatterplot?

Back

A strong positive correlation is identified when the points in the scatterplot closely follow an upward trend.

Front

How can you identify a strong negative correlation in a scatterplot?

Back

A strong negative correlation is identified when the points in the scatterplot closely follow a downward trend.

Front

What is causation?

Back

Causation indicates that one event is the result of the occurrence of another event; it implies a direct cause-and-effect relationship.

Front

What is correlation?

Back

Correlation indicates a relationship or association between two variables, but it does not imply that one variable causes the other.

Front

What is an example of a situation that represents causation?

Back

An example of causation is the relationship between the amount of rain and the water level in a lake.